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   <div id="projectbrief">A mini distributed database system</div>
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<div class="title">src/ca/uqac/dim/turtledb/CentralizedCommunicator.java</div>  </div>
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<a href="_centralized_communicator_8java.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*-------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">    Simple distributed database engine</span>
<a name="l00003"></a>00003 <span class="comment">    Copyright (C) 2012  Sylvain Hallé</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment">    This program is free software: you can redistribute it and/or modify</span>
<a name="l00006"></a>00006 <span class="comment">    it under the terms of the GNU General Public License as published by</span>
<a name="l00007"></a>00007 <span class="comment">    the Free Software Foundation, either version 3 of the License, or</span>
<a name="l00008"></a>00008 <span class="comment">    (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">    This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00013"></a>00013 <span class="comment">    GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">    You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment">    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<a name="l00017"></a>00017 <span class="comment"> -------------------------------------------------------------------------*/</span>
<a name="l00018"></a>00018 <span class="keyword">package </span>ca.uqac.dim.turtledb;
<a name="l00019"></a>00019 
<a name="l00020"></a>00020 <span class="keyword">import</span> java.util.*;
<a name="l00021"></a>00021 
<a name="l00022"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html">00022</a> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html">CentralizedCommunicator</a> <span class="keyword">extends</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_communicator.html">Communicator</a>
<a name="l00023"></a>00023 {
<a name="l00024"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">00024</a>   <span class="keyword">protected</span> Map&lt;String,Engine&gt; <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>;
<a name="l00025"></a>00025   
<a name="l00026"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#aa353adba0240825393aff1dbe938e4df">00026</a>   <span class="keyword">protected</span> List&lt;Relation&gt; <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#aa353adba0240825393aff1dbe938e4df">m_results</a>;
<a name="l00027"></a>00027   
<a name="l00028"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a4dbc90094d26956fe602c27b74825721">00028</a>   <span class="keyword">protected</span> <span class="keyword">static</span> <span class="keyword">final</span> <span class="keywordtype">int</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a4dbc90094d26956fe602c27b74825721">MAX_LOOPS</a> = 100;
<a name="l00029"></a>00029   
<a name="l00030"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#abbd16880f71cda3b839953843f28598d">00030</a>   <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#abbd16880f71cda3b839953843f28598d">CentralizedCommunicator</a>()
<a name="l00031"></a>00031   {
<a name="l00032"></a>00032     super();
<a name="l00033"></a>00033     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a> = <span class="keyword">new</span> HashMap&lt;String,Engine&gt;();
<a name="l00034"></a>00034     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#aa353adba0240825393aff1dbe938e4df">m_results</a> = <span class="keyword">new</span> LinkedList&lt;Relation&gt;();
<a name="l00035"></a>00035   }
<a name="l00036"></a>00036   
<a name="l00037"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#ad695fc5a9abc45ca88bdd5c07cc9e5c8">00037</a>   <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#ad695fc5a9abc45ca88bdd5c07cc9e5c8">run</a>()
<a name="l00038"></a>00038   {
<a name="l00039"></a>00039     <span class="comment">// Do nothing</span>
<a name="l00040"></a>00040   }
<a name="l00041"></a>00041   
<a name="l00042"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a2f312f375cb5ac115588a8fbdbde8929">00042</a>   <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a2f312f375cb5ac115588a8fbdbde8929">addSite</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html">Engine</a> e)
<a name="l00043"></a>00043   {
<a name="l00044"></a>00044     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.put(e.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html#ae2dbc25a1e13d2b649b58db1420a3c55">m_siteName</a>, e);
<a name="l00045"></a>00045   }
<a name="l00046"></a>00046   
<a name="l00047"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a122c045c4be52249b47eed6b01933bcb">00047</a>   <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html">Engine</a> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a122c045c4be52249b47eed6b01933bcb">getSite</a>(String name)
<a name="l00048"></a>00048   {
<a name="l00049"></a>00049     <span class="keywordflow">if</span> (!<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.containsKey(name))
<a name="l00050"></a>00050       <span class="keywordflow">return</span> null;
<a name="l00051"></a>00051     <span class="keywordflow">return</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.get(name);
<a name="l00052"></a>00052   }
<a name="l00053"></a>00053   
<a name="l00060"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a6c1d397b4e719680f9f192bd33477c41">00060</a>   <span class="keyword">protected</span> <span class="keywordtype">boolean</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a6c1d397b4e719680f9f192bd33477c41">loop</a>()
<a name="l00061"></a>00061   {
<a name="l00062"></a>00062     Set&lt;Relation&gt; processed = <span class="keyword">new</span> HashSet&lt;Relation&gt;();
<a name="l00063"></a>00063     <span class="keywordflow">for</span> (String s_name : <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.keySet())
<a name="l00064"></a>00064     {
<a name="l00065"></a>00065       <span class="comment">// Have every site process any pending queries</span>
<a name="l00066"></a>00066       <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html">Engine</a> e = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.get(s_name);
<a name="l00067"></a>00067       Set&lt;Relation&gt; pq = e.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html#a0875d6d4fa02325381018551d28bbdf4">processPendingQueries</a>();
<a name="l00068"></a>00068       processed.addAll(pq);
<a name="l00069"></a>00069     }
<a name="l00070"></a>00070     <span class="keywordflow">for</span> (<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_relation.html">Relation</a> r : processed)
<a name="l00071"></a>00071     {
<a name="l00072"></a>00072       <span class="comment">// This site has produced new results: dispatch any</span>
<a name="l00073"></a>00073       <span class="comment">// of them to other sites as needed</span>
<a name="l00074"></a>00074       <span class="keywordflow">if</span> (r.isFragment())
<a name="l00075"></a>00075       {
<a name="l00076"></a>00076         <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_variable_table.html">VariableTable</a> vt = (<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_variable_table.html">VariableTable</a>) r;
<a name="l00077"></a>00077         String destination_name = vt.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_variable_table.html#a2a3a115140d8bb32a040cd7a3dbcdae0">getSite</a>();
<a name="l00078"></a>00078         <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html">Engine</a> destination = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.get(destination_name);
<a name="l00079"></a>00079         destination.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html#a69916ef536a8cc50b7963f698324b679">addQuery</a>(vt);
<a name="l00080"></a>00080       }
<a name="l00081"></a>00081       <span class="keywordflow">else</span>
<a name="l00082"></a>00082       {
<a name="l00083"></a>00083         <span class="comment">// The result is not topped with a placeholder:</span>
<a name="l00084"></a>00084         <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#aa353adba0240825393aff1dbe938e4df">m_results</a>.add(r);
<a name="l00085"></a>00085       }
<a name="l00086"></a>00086     }
<a name="l00087"></a>00087     <span class="comment">// Return true if any site has created new data in this cycle</span>
<a name="l00088"></a>00088     <span class="keywordflow">return</span> processed.size() &gt; 0; 
<a name="l00089"></a>00089   }
<a name="l00090"></a>00090   
<a name="l00091"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a728329b2c18809e24f98893477e58a10">00091</a>   <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_processor.html">QueryProcessor</a> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a728329b2c18809e24f98893477e58a10">getQueryProcessor</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_relation.html">Relation</a> query)
<a name="l00092"></a>00092   {
<a name="l00093"></a>00093     <span class="comment">// Pick a site</span>
<a name="l00094"></a>00094     <span class="keywordflow">return</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a728329b2c18809e24f98893477e58a10">getQueryProcessor</a>(query, <span class="stringliteral">&quot;Site 1&quot;</span>);
<a name="l00095"></a>00095   }
<a name="l00096"></a>00096   
<a name="l00097"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#af3aead1d774f21e1f73b68073445fda4">00097</a>   <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_processor.html">QueryProcessor</a> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a728329b2c18809e24f98893477e58a10">getQueryProcessor</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_relation.html">Relation</a> query, String site)
<a name="l00098"></a>00098   {
<a name="l00099"></a>00099     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html">Engine</a> source = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.get(site);
<a name="l00100"></a>00100     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_plan.html">QueryPlan</a> qp = source.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html#acb1c919eba2627b81af6038737a2e693">getQueryPlan</a>(query);
<a name="l00101"></a>00101     <span class="keywordflow">return</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a728329b2c18809e24f98893477e58a10">getQueryProcessor</a>(qp);
<a name="l00102"></a>00102   }
<a name="l00103"></a>00103   
<a name="l00104"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#ab247f9d7f7482ec1dae8939e9ade0331">00104</a>   <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_processor.html">QueryProcessor</a> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a728329b2c18809e24f98893477e58a10">getQueryProcessor</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_plan.html">QueryPlan</a> qp)
<a name="l00105"></a>00105   {
<a name="l00106"></a>00106     <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html">CentralizedQueryProcessor</a>(qp);
<a name="l00107"></a>00107   }
<a name="l00108"></a>00108   
<a name="l00109"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html">00109</a>   <span class="keyword">protected</span> <span class="keyword">class </span><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html">CentralizedQueryProcessor</a> <span class="keyword">extends</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_processor.html">QueryProcessor</a>
<a name="l00110"></a>00110   {
<a name="l00111"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad2f92d491b761027a16d45305778fc8e">00111</a>     <span class="keyword">protected</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_plan.html">QueryPlan</a> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad2f92d491b761027a16d45305778fc8e">m_queryPlan</a>;
<a name="l00112"></a>00112     
<a name="l00113"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad4d2a3891d0aa8526dbd8cf9e506f8c2">00113</a>     <span class="keyword">protected</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_relation.html">Relation</a> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad4d2a3891d0aa8526dbd8cf9e506f8c2">m_result</a>;
<a name="l00114"></a>00114     
<a name="l00115"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#a568a9c07991ec58cee5b80f72691f147">00115</a>     <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#a568a9c07991ec58cee5b80f72691f147">CentralizedQueryProcessor</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_query_plan.html">QueryPlan</a> qp)
<a name="l00116"></a>00116     {
<a name="l00117"></a>00117       super();
<a name="l00118"></a>00118       <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad4d2a3891d0aa8526dbd8cf9e506f8c2">m_result</a> = null;
<a name="l00119"></a>00119       <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad2f92d491b761027a16d45305778fc8e">m_queryPlan</a> = qp;
<a name="l00120"></a>00120     }
<a name="l00121"></a>00121     
<a name="l00122"></a>00122     @Override
<a name="l00123"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#a177ba6a3cafdd03f44d20354e14c872f">00123</a>     <span class="keyword">public</span> <span class="keyword">synchronized</span> <span class="keywordtype">void</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#a177ba6a3cafdd03f44d20354e14c872f">run</a>()
<a name="l00124"></a>00124     {
<a name="l00125"></a>00125       <span class="comment">// Dispatch pieces of the plan to their respective site</span>
<a name="l00126"></a>00126       assert <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad2f92d491b761027a16d45305778fc8e">m_queryPlan</a> != null;
<a name="l00127"></a>00127       <span class="keywordflow">for</span> (String site_name : <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad2f92d491b761027a16d45305778fc8e">m_queryPlan</a>.keySet())
<a name="l00128"></a>00128       {
<a name="l00129"></a>00129         Set&lt;Relation&gt; queries = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad2f92d491b761027a16d45305778fc8e">m_queryPlan</a>.get(site_name);
<a name="l00130"></a>00130         <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html">Engine</a> e = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a17e6f23a12da90a08422caf8275b864d">m_sites</a>.get(site_name);
<a name="l00131"></a>00131         e.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_engine.html#a69916ef536a8cc50b7963f698324b679">addQuery</a>(queries);
<a name="l00132"></a>00132       }
<a name="l00133"></a>00133       
<a name="l00134"></a>00134       <span class="comment">// Loop until result comes back to target site</span>
<a name="l00135"></a>00135       <span class="comment">// This is why the run method for this processor is declared</span>
<a name="l00136"></a>00136       <span class="comment">// synchronized: we disallow concurrent accesses to the</span>
<a name="l00137"></a>00137       <span class="comment">// underlying CentralizedCommunicator</span>
<a name="l00138"></a>00138       <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a6c1d397b4e719680f9f192bd33477c41">loop</a>() &amp;&amp; i &lt; <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#a4dbc90094d26956fe602c27b74825721">MAX_LOOPS</a>; i++)
<a name="l00139"></a>00139       {
<a name="l00140"></a>00140         <span class="comment">// Do nothing</span>
<a name="l00141"></a>00141       }
<a name="l00142"></a>00142       assert <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#aa353adba0240825393aff1dbe938e4df">m_results</a>.size() &gt; 0;
<a name="l00143"></a>00143       <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad4d2a3891d0aa8526dbd8cf9e506f8c2">m_result</a> = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator.html#aa353adba0240825393aff1dbe938e4df">m_results</a>.get(0);
<a name="l00144"></a>00144     }
<a name="l00145"></a>00145 
<a name="l00146"></a>00146     @Override
<a name="l00147"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ac59e52cb6e81b7e38b092a50390f5cd8">00147</a>     <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_relation.html">Relation</a> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ac59e52cb6e81b7e38b092a50390f5cd8">getResult</a>()
<a name="l00148"></a>00148     {
<a name="l00149"></a>00149       <span class="keywordflow">return</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_centralized_communicator_1_1_centralized_query_processor.html#ad4d2a3891d0aa8526dbd8cf9e506f8c2">m_result</a>;
<a name="l00150"></a>00150     }
<a name="l00151"></a>00151     
<a name="l00152"></a>00152   }
<a name="l00153"></a>00153 }
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